/**
 * MIT License
 *
 * Copyright (c) 2024 小村程序员
 * Email: 397237738@qq.com
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.open.cobertura.core.provider;

import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

/**
 * 插入探针的父类
 */
public class CoberturaBaseCoerturaProbeCode {

    /**
     * 探针字节码提供方法
     * @param mv
     * @param className
     * @param index
     */
    void probeCodeProvide(MethodVisitor mv, String className, int index){
        mv.visitFieldInsn(Opcodes.GETSTATIC, className, "__cobertura_counter", "[Z");
        if (index >= -1 && index <= 5) {
            mv.visitInsn(Opcodes.ICONST_0 + index);
        } else if (index >= Byte.MIN_VALUE && index <= Byte.MAX_VALUE) {
            mv.visitIntInsn(Opcodes.BIPUSH, index);
        }else if (index >= Short.MIN_VALUE && index <= Short.MAX_VALUE) {
            mv.visitIntInsn(Opcodes.SIPUSH, index);
        }else {
            mv.visitLdcInsn(Integer.valueOf(index));
        }
        mv.visitInsn(Opcodes.ICONST_1); // 值 true
        mv.visitInsn(Opcodes.BASTORE); // 将值存储到数组中
    }

}
